Sun on July 7th, 2013
Sunspot AR1785 and surroundings. DMK 21AU618.AS webcam, Vixen 4-inch f/10 refractor, Coronado Solarmax 90/BF30 H-alpha filter system.
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Sunspot AR1785 and surroundings. DMK 21AU618.AS webcam, Vixen 4-inch f/10 refractor, Coronado Solarmax 90/BF30 H-alpha filter system.